1,12,13,14,15,15-hexachloropentacyclo<10.2.1.15,8.02,11.04,9>hexadeca-2(11),6,13-triene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 139259-29-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,5 and 9 respectively; the second part has 2 digits, 2 and 9 respectively. Calculate Digit Verification of CAS Registry Number 139259-29: (8*1)+(7*3)+(6*9)+(5*2)+(4*5)+(3*9)+(2*2)+(1*9)=153 153 % 10 = 3 So 139259-29-3 is a valid CAS Registry Number.